1 Department of Anesthesiology and Intensive Care Medicine, University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
2 Department of Pediatric Anesthesiology and Intensive Care Medicine, University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
3 Department of Pediatric Anesthesiology and Intensive Care Medicine, University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic. Electronic address: petr.stourac@gmail.com.